Diffusers, Lenses and Louvers: What do they do?

Diffusers, Lenses and Louvers: What do they do?

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Light fixtures (or &#;luminaires&#;) control and distribute light in different ways. Shielded light fixtures are among the ways that this can be accomplished. The reasons to use them are as follows:

• Reduce glare
• Diffuse light
• Protect and/or hide lamps
• Enhance fixture appearance

There are three different types of shielded light fixtures:

Diffuser &#; This is a translucent or semi-transparent cover that spreads out or scatters light. Using a diffuser will control brightness and give off a soft light relative to the lamps being used. They are typically made of glass or plastic and are used on the bottom or sides of a light fixture. They are typically used in offices or schools where there is a lower ceiling height.

Here are some examples of fixtures that use diffusers:

Lens &#; This is a clear or transparent cover. Two types or commonly used lenses are as follows:

Prismatic &#; These are shaped with an arrangement of small refractive components on one side for excellent light diffusion and glare reduction.

Here are some examples of fixtures that use prismatic lenses:

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Polycarbonate &#; These lenses are extremely durable and are ideal for harsh environments. They are typically used with vapor tight light fixtures used in wet or dusty areas.

Here are some examples of fixtures that use polycarbonite lenses:

Parabolic Louver &#; These are baffles that utilize an open grid pattern with parabolic reflectors in each cell of the grid. They are excellent for directing light downward and reducing glare from the fixture. Size and depth of a louver will affect light output and distribution.

Product Description

Quick Facts

• Made from durable PVC
• Lasts a lifetime
• Waterproof
• Clean with soap and water
• Mold and mildew resistant.
• Stain resistant
• Flexible yet strong
• Lightweight and easy to install
• Low coffer can be used with a surface-mount grid system or limited head-space ceiling grid.
• 2x2 Actual Size - 23-5/8" x 23-5/8"
• 2x4 Actual Size - 23-5/8" x 47-5/8"

These thermoform tiles are made from UV Stabilized .013" thick vinyl plastic. They are designed to provide all the functionality of conventional drop ceiling tiles at a fraction of the weight. The feather-light construction makes them a breeze to install, easy to clean, stain resistant, water resistant, dust free, and eco friendly! Installation is fast and couldn't be any easier.

Designed to fit all standard 15/16" T-Bar Ceiling Systems. Will not fit in a 9/16" grid, please measure the visible width of your grid.

Not recommended for direct mount installation

Most of the thermoform ceiling tiles come in two sizes, 2'x2' and 2'x4', but if you have a 2x4 grid ceiling and would prefer the look of the 2x2 ceiling tiles, simply insert a 2' center T bar available online or at most local hardware stores...it's easy!

5 Year ProShield Warranty
The ceiling tile manufacturer guarantees that your ceiling tiles will be free from manufacturing defects for a period of five years from the date of purchase. Limitations apply. See full warranty information below.

UL Listing/Certification
ProLite ceiling tiles bearing this mark are UL tested and approved drop-out ceiling panels that can be installed beneath fire sprinklers. When exposed to heat from a developing fire, drop-out ceiling panels soften, distort, and fall from the ceiling grid. Heat from the growing fire activates the sprinkler which, unimpeded by the panels, controls or extinguishes the fire.

For more information, please visit translucent ceiling light panels.